package com.qk.mangement.web.filter;

import cn.hutool.core.util.ObjectUtil;
import com.qk.common.util.JwtUtils;
import io.jsonwebtoken.Claims;
import jakarta.servlet.*;
import jakarta.servlet.annotation.WebFilter;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import lombok.extern.slf4j.Slf4j;

import java.io.IOException;

/**
 * Date:2025/10/11
 * Author:zxc
 * Description
 */
@Slf4j
@WebFilter("/*")
public class LoginChackFilter implements Filter {

    private static final String LOGIN_PATH = "/login";
    private static final String TOKEN_HEADER_NAME = "token";



    @Override
    public void doFilter(ServletRequest req, ServletResponse resp, FilterChain chain) throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest) req;
        HttpServletResponse response = (HttpServletResponse) resp;


        String path = request.getRequestURI();
        log.info("-----拦截到的请求路径是：{}---------", path);

        boolean isLoginReq = ObjectUtil.equals(LOGIN_PATH, path);
        if (isLoginReq){
            chain.doFilter(request, response);
            return;
        }

        String token= request.getHeader(TOKEN_HEADER_NAME);
        if(ObjectUtil.isEmpty( token)){
            response.setStatus(401);
            return;
        }


        try {
            Claims claims = JwtUtils.parseToken(token);
            String username = claims.get("username", String.class);
            log.info("-----用户名是：{}---------", username);
            Object id = claims.get("id");
            log.info("-----用户id是：{}---------", id);
            chain.doFilter(request, response);
        } catch (Exception e) {
            log.error("-----token验证失败---------",e);
            response.setStatus(401);
            return;
        }


    }
}
